AccuRender nXt

advanced rendering for AutoCAD

I want to create multiple materials with different bump maps, so that they can be assigned to the objects in AutoCAD for rendering. Please see the attachment for an idea. The idea is to assign the appropriate one to the object for rendering.

If this can be achieved, it will avoid a whole lot of symbol creation, since right now to get the design etching, we are creating individual symbols for each design. Obviously this is very time consuming and results in literally thousands of DWG files, one for each design and size.

Is this possible at all? If so, how can this be done? Any help is much appreciated.

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I think that for that type is better to use displacement map. Displacement actually modifies the geometry rather then just fake the relief.

Thanks for replying George.

I tried a displacement map, but I am having serious trouble getting the map to sit right. Is there any example for nXtRender anywhere that I can follow? Will one single material with a displacement map work immaterial of the object size, or should I create one material for each size?

How are the texture co-ordinates related to the displacement co-ordinates?

I would stay away from displacements for this-- they will impact performance way too much.

This is going to require a combination of mapping and materials to really work.  nXt can get the size of the bitmap from the material definition, that part is not a problem.  However, it cannot get the location and orientation.  That requires mapping, information which attaches directly to the object, not the material.  

You can set up some typical shutter sizes with mapping already attached (use the quick mapping option to do this.)  You will have to have models for each size of shutter with preattached mappings-- the rest you can do with materials of appropriate size.

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Roy Hirshkowitz replied to norton torres's discussion I GOT AN ERROR WHILE RENDERING IN AUTOCAD 2010
"I'm guessing it's the same problem.  nXt has to be present for a conversion to work properly with a drawing that has nXt data.  That's a known issue.  Converting using any other method probably will not work properly if…"
Aug 23
George Ioannidis replied to norton torres's discussion I GOT AN ERROR WHILE RENDERING IN AUTOCAD 2010
"I think Norton mentioned that he did the conversion using TrueView, not the AutoCAD itself. He is still on ver. 2010 I suppose, otherwise he could do renderings directly in 2018. Maybe TrueView isn't quite versionwise correct as regards to…"
Aug 21
Roy Hirshkowitz replied to norton torres's discussion I GOT AN ERROR WHILE RENDERING IN AUTOCAD 2010
"One additional thought.  A known issue when saving drawings to a previous version is that nXt must be loaded and running before you convert the drawing. Try the following: 1. Open your 2018 drawing in AutoCAD. 2. Start nXt by typing…"
Aug 1
Roy Hirshkowitz replied to norton torres's discussion I GOT AN ERROR WHILE RENDERING IN AUTOCAD 2010
"Interesting.  I'm not sure what I can do about it-- the oldest AutoCAD I have available for testing is 2013.  AutoCAD 2010 is actually 12 years old which is an eternity in software.  You can try sending me a simple converted…"
Aug 1
norton torres replied to norton torres's discussion I GOT AN ERROR WHILE RENDERING IN AUTOCAD 2010
"yes... is every 3d model that I I import from autocad 2018 to autocad 2010 and  it dosent matter that I convert the drawing  in trueview to dwg 2010 it continues the error, it happens this way, I open the drawing in autocad 2010 then I…"
Jul 31
Roy Hirshkowitz replied to norton torres's discussion I GOT AN ERROR WHILE RENDERING IN AUTOCAD 2010
"If it's crashing consistently with a particular drawing, let me know, there may be a problem.  Please don't use all caps when composing forum messages."
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